Author: adrian
Date: Tue Oct 25 23:13:36 2011
New Revision: 226760
URL: http://svn.freebsd.org/changeset/base/226760

Log:
  Save and restore the association ID across interface resets.
  
  Obtained from:        Atheros
  MFC after:    1 week

Modified:
  head/sys/dev/ath/ath_hal/ar5212/ar5212.h
  head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c
  head/sys/dev/ath/ath_hal/ar5212/ar5212_reset.c
  head/sys/dev/ath/ath_hal/ar5416/ar5416_reset.c

Modified: head/sys/dev/ath/ath_hal/ar5212/ar5212.h
==============================================================================
--- head/sys/dev/ath/ath_hal/ar5212/ar5212.h    Tue Oct 25 23:09:07 2011        
(r226759)
+++ head/sys/dev/ath/ath_hal/ar5212/ar5212.h    Tue Oct 25 23:13:36 2011        
(r226760)
@@ -252,6 +252,7 @@ struct ath_hal_5212 {
        uint8_t         ah_macaddr[IEEE80211_ADDR_LEN];
        uint8_t         ah_bssid[IEEE80211_ADDR_LEN];
        uint8_t         ah_bssidmask[IEEE80211_ADDR_LEN];
+       uint16_t        ah_assocId;
 
        /*
         * Runtime state.

Modified: head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c
==============================================================================
--- head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c       Tue Oct 25 23:09:07 
2011        (r226759)
+++ head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c       Tue Oct 25 23:13:36 
2011        (r226760)
@@ -218,8 +218,9 @@ ar5212WriteAssocid(struct ath_hal *ah, c
 {
        struct ath_hal_5212 *ahp = AH5212(ah);
 
-       /* XXX save bssid for possible re-use on reset */
+       /* save bssid for possible re-use on reset */
        OS_MEMCPY(ahp->ah_bssid, bssid, IEEE80211_ADDR_LEN);
+       ahp->ah_assocId = assocId;
        OS_REG_WRITE(ah, AR_BSS_ID0, LE_READ_4(ahp->ah_bssid));
        OS_REG_WRITE(ah, AR_BSS_ID1, LE_READ_2(ahp->ah_bssid+4) |
                                     ((assocId & 0x3fff)<<AR_BSS_ID1_AID_S));

Modified: head/sys/dev/ath/ath_hal/ar5212/ar5212_reset.c
==============================================================================
--- head/sys/dev/ath/ath_hal/ar5212/ar5212_reset.c      Tue Oct 25 23:09:07 
2011        (r226759)
+++ head/sys/dev/ath/ath_hal/ar5212/ar5212_reset.c      Tue Oct 25 23:13:36 
2011        (r226760)
@@ -438,9 +438,10 @@ ar5212Reset(struct ath_hal *ah, HAL_OPMO
        /* Restore previous antenna */
        OS_REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
 
-       /* then our BSSID */
+       /* then our BSSID and associate id */
        OS_REG_WRITE(ah, AR_BSS_ID0, LE_READ_4(ahp->ah_bssid));
-       OS_REG_WRITE(ah, AR_BSS_ID1, LE_READ_2(ahp->ah_bssid + 4));
+       OS_REG_WRITE(ah, AR_BSS_ID1, LE_READ_2(ahp->ah_bssid + 4) |
+           (ahp->ah_assocId & 0x3fff) << AR_BSS_ID1_AID_S);
 
        /* Restore bmiss rssi & count thresholds */
        OS_REG_WRITE(ah, AR_RSSI_THR, ahp->ah_rssiThr);

Modified: head/sys/dev/ath/ath_hal/ar5416/ar5416_reset.c
==============================================================================
--- head/sys/dev/ath/ath_hal/ar5416/ar5416_reset.c      Tue Oct 25 23:09:07 
2011        (r226759)
+++ head/sys/dev/ath/ath_hal/ar5416/ar5416_reset.c      Tue Oct 25 23:13:36 
2011        (r226760)
@@ -278,9 +278,10 @@ ar5416Reset(struct ath_hal *ah, HAL_OPMO
        /* Restore previous antenna */
        OS_REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
 
-       /* then our BSSID */
+       /* then our BSSID and associate id */
        OS_REG_WRITE(ah, AR_BSS_ID0, LE_READ_4(ahp->ah_bssid));
-       OS_REG_WRITE(ah, AR_BSS_ID1, LE_READ_2(ahp->ah_bssid + 4));
+       OS_REG_WRITE(ah, AR_BSS_ID1, LE_READ_2(ahp->ah_bssid + 4) |
+           (ahp->ah_assocId & 0x3fff) << AR_BSS_ID1_AID_S);
 
        /* Restore bmiss rssi & count thresholds */
        OS_REG_WRITE(ah, AR_RSSI_THR, ahp->ah_rssiThr);
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